Adjustable cot



H. E. HGPEI ADJUSTABLE COT ses. as m24.

1925 3 Sheesfshee.:

Fed Apri 23,

m'vENToR ATTORNEY H. E. HOPE ADJUSTABLE COT ATTORNEY H. E. HCPE Filed April il i. 19215 3 S'neetswSheet IN \l 'EN TOF? s a' @maw A TTRNEY Patented Dec. 23, 1924.

imanes HOMER E. HOPE, OF PRINCETON, NEW JERSEY.

ADJUSTABLE COT.

Application led April 21, 1923.

To all whom t may concern Be it known that I, Honra E. Horn, a citizen of the United States,` residing at Prince-ton, in the county of Mercer and State of New Jersey, have invented new and useful Improvements in Adjustable Cots, of which the following is a specification.

This invention relates to cots or beds and has for its object the provision of a novel cot designed for use in hospitals or sick rooms and of such construction that a portion may be elevated at different points whereby to support the head, head and shoulders, or entire upper portion of the body of the patient in an elevated position.

An important object is the provision of a device of this character which is provided with mechanical means for swinging the movable section into elevated position without necessitating lifting the patient or propping him up as is necessary in ordinary practice.

Another object is the provision of a cot of this character which may be elevated at different points and which is provided with means for regulating the angle of elevation so that the patient may be comfortably supported.

An additional object is the provision of a device of this character which will be comparatively simple and inexpensive in manufacture, easy to operate and control, efficient and durable in service and a general improvement in the art.

With the above and other objects and advantages in view the invention consists in the details of construction to be hereinafter more fully described and claimed and illusm trated in the accompanying` drawings, in which:

Figuie 1 is a top plan view of a cot constructed in accordance with my invention,

Figure 2 is a view taken on the line 2-2 of Figure 1, the view being partly in section and partly in elevation,

Figure 3 is a longitudinal section on a larger scale looking toward one of the said rails and showing the mechanism thereon in normal position,

Figure l is a similar view showing the parts arranged and operated to elevate the cot at the innermost pivot point,

Figure 5 is a similar view showing the parts arranged and operated to eect elevation at the intermediate pivot point,

Figure 6 is a similar view showing the Serial No. 633,704.

parts arranged and operated to effect elevation at the outermost pivot point,

Figure 7 is a detail cross sectional view on line 7-7 of Figure 3,

Figure 8 is a detail view illustrating the connection of the longest rods with the latches of the innermost pivot points,

Figure 9 is a detail view illustrating the means for connecting the selected rods with the operating grips,

Figure 10 is a section on the line 10-10 of Figure 9,

Figure 11 is a section on the line 11-11 of Figure 9,

Figure 12 is a detail perspective view of the sliding bolt mechanism.

Referring more particularly to the drawings 1 have shown a cot consisting of side rails A supported by feet B and connected by canvas C or other flexible material which is not however secured to the rails A throughout their length but which has one end D free therefrom for a purpose to be hereinafter described. Secured against the confronting faces or inner sides of the side rails A are toothed segments 10.

The movable portion of the device comprises bars designated broadly by the numeral 13 and each including sections 15, 16 and 17 pivotally connected at 18, 19 and 20. The free end of the section 17 projects beyond the side rail of the cot to define a handle 21. Secured on the sections and 1G are toothed segments 11 and 12, respectively. The pivot points 18, 19 and 20 are concentric with respect to the segments 10, 11 and 12 respectively. The unsecured end portion D of the canvas covering for the. cot is suitably secured to the bars 13.

In conjunction with each of the bars 13. I provide three control rods 22, 23 and 2st, the latter of which is permanently pivotally connected at 25 with a grip arm 26 pivoted at 27 upon the handle 21. The grip is formed with holes 26 and 27 which register with curved slots 28 and 29 respectively in plates 30 depending from the handles 31. The free ends of the rods 23 and 24 carry pine 31 and 32 respectively and knobs 33 and 34 respectively, the pins being adapted to be engaged within the holes 26 and 27 respectively, as the case may be.

The other ends of the rods 22 are slidable through holes in latches 35 pivoted at 36 upon the bar sections 15 and co-operating with the segments 10, these latches being normally urged into engagement with the segments by means of springs 37. The extremities of the rods 22 are formed with knobs 38 which will prevent them from pulling out of the holes in the latches. The rods 22 and 23 are provided with joints 22a located at the pivot points of the bar isections.

The corresponding ends of the rods 23 and 24 are pivotally connected with spring pressed latches 39 and 40 respectively pivoted upon the bar sections 16 and 17 respectively and co-operating with the segments 11 and 12 respectively.

For holding selected ones of the ljoints 19 and 20 rigid, I provide sliding bolts 41 and 42 slidable within the sections 15 and 16 respectively and carried by the rods 22 and 23 respectively.

Normally the sectional bars 13 lie along the inner sides of the cot rails A in alignment or registration therewith and the entire cot bottom is then horizontal. Assuming that it is desired to raise the patients head, the operator grasps the handle 21 and grips 26 and pulls upwardly. The resultant movement imparted to the rods 24 will swing the latches 40 out of engagement with the segments 12 and permit the sections 17 to swing upwardly upon their pivots 20. When the desired degree of inclination or elevation has been obtained, release of the grips 26 will permit the spring pressed latches 40 to reengage the segments 12 and hold the parts stationary.

Assuming that instead of lifting the head only it is desired to lift the head and shoulders of the patient, the operator grasps the knobs 34 and pulls upon the rods 23 so as to engage the pins 31 within the holes 23 in the plates 30. When this is done the bolts 42 will be slid along the joints 20 so as to hold them rigid. When the operator then grasps the handles 21 and grips 26 and pulls upwardly, the rods 23 will be moved longitudinally and will disengage the latches 30 from the segments 11, permitting the sections 16 and 17 to be swung, as one, upwardly upon the pivots 19. Upon reaching the desired point of elevation release of the grips 26 will permit the latches 39 to re-engage the segments 11 and lock the parts against movement. It is of course true that at this time the latches 40 are disengaged from the segments 12 so that there will be nothing to interfere with the movement.

Assuming that it is desired to raise the upper half of the patients body, the operator must pull the rods 23 to engage the pins 31 in the holes 26 and must also grasp the knob 33 and pull the rods 22 so that the pins 32 thereof may be engaged within the holes 27. The longitudinal movement of the rods 23 brings the bolts 42 along the joints 20 and at the same time the movement of the rods 22 brings the bolts 41 along the joints 19. The sections 15, 16 and 17 will then be rigid and they will all swing bodily upon the pivots 18. I hen the operator grips the handles 21 and grips 26, and pulls upwardly, the rods 23 and 22 will be moved to a still greater extent while of course the rods 24 are naturally moved inasmuch as they are permanently connected with the grips. The result will then be that the latches 40 will be disengaged from the segments 12, the latches 39 will be disengaged from the segments 11, and the engagement of the knobs 38 on the rods 22 with the latches 35 will swing the latter out of engagement with the segments 10 so that the sections 15, 16 and 17 will swing, in a rigid condition upon the pivots 18. lNhen the desired elevation has been obtained, the grips 26 are released whereupon the springs associated with the latches 35 will re-engage them with the segments 10 and maintain the adjustment. The joints 22au permit the swinging of the sections of the rods 22 and 23 during all of the above described operations.

From the foregoing description and a study of the drawings it will be apparent that I have thus provided a simply constructed and easily operated adjustable cot which will permit of elevation of a desired portion of a patients body without the danger involved in raising the patient manually and propping him up with pillows and the like as is necessary when an ordinary bed or vcot is used. Owing to the simplicity of the construction and the fewness of the parts it is apparent that there is little to get out of order and that the device should have a long life and satisfactorily perform all of its functions.

While I have shown and described the preferred embodiment of the invention it is of course to be understood that I reserve the right to make such changes in the form, construction and arrangement of parts as will not depart from the spirit of the invention or the scope of the subjoined claims.

Having thus described my invention I claim:

1. In a cot, sectional bars pivoted upon the inner sides of the rails thereof, handles on the ends of said bars, grips pivotally connected with said handles, toothed segments secured upon the side rails of the Cot adjacent the pivotal connections of the sectional bars therewith, other toothed segments on the sections of the bars at the pivots thereof, latch members connected with said grips and cooperating with said segments` and bolts slidable within retainr ing' members on the sections and connected with the respective latch members whereby to be slid across the joints of the bar sections whereby to hold them rigid when the grips are operated.

2. In a cot, a movable section consisting of bars pivoted against the inner sides of the side rails of the cot and formed each of a plurality of pivotally connected sections, the outermost sections terminating in handles, toothed segments secured upon the side rails in positions concentric with the pivotal connections of the bars therewith, other toothed segments on the bar sections concentric with their pivots, spring pressed latches pivoted on the sections and co-op erating with the adjacent segments, grips pivoted on the handles, rods connected with the respective latches and selectively connectable with the grips, and bolts slidable in retaining members and carried by certain of the rods and movable therewith to extend across selected joints of the sections whereby to hold them rigid.

3. In a cot, a movable section consisting of bars pivoted against the inner sides ot the side rails of the cot and formed each of a plurality of pivotally connected sections, the outermost sections terminating in handles, toothed segments secured upon the side rails in positions concentric with the pivotal connections of the bars therewith, other toothed segments on the bar sections concentric with their pivots, spring pressed latches pivoted on the sections and co-operating with the adjacent segments, grips pivoted on the handles, rods connected with the respective latches and selectively connectable with the grips, and bolts slidable in retaining members and carried by certain of the rods and movable therewith to extend across selected joints of the sections whereby to hold them rigid, the grips being formed each with a. plurality ot' holes, and the forward ends of the rods being provided with pins adapted to be engaged within the holes.

4. In a cot, a movable section consisting of bars pivoted against the inner sides of the side rails of the cot and formed each of a plurality of pivotally connected sections, the outermost sections terminating in handles, toothed segments secured upon the side rails in positions concentric with the pivotal connections of the bars therewith,

other toothed segments on the bar sections concentric with their pivots, spring pressed latches pivoted on the sections and co-operating with the adjacent segments, grips pivoted on the handles, rods connected with the respective latches and selectively connectable with the grips, and slidable bolts slidable in retaining members and carried by certain of the rods and movable therewith to extended across selected joints of the sections whereby to hold them rigid, the grips being formed each with a plurality of holes, and the forward ends of the rods being provided with pins adapted to be engaged within the holes, and plates carried by the handles and formed with curved slots dening guides for the pins.

In testimony whereof I aix my signature.

HOMER E. HOPE. 

